HG/T 2261-2006
HG/T 2261-2005
Photographic chemicals sodium di-(2-ethyl-hexyl) succinate sulfonate
GB/T 32226-2015
Specific solid enzyme (ALD, TIM, GDH)reagent for determination of fructose diphosphate (FDP)
HG/T 2261-1991
GB/T 19421.9-2003
Test methods of crystalline layered sodium disilicate—Potassium fluosilicate volumetric methods for determination of sodium oxide content
YS/T 1320.1-2019
Methods for chemical analysis of disodium tetrachloropalladate-Part 1:Determination of palladium content-Dimethylglyoxime gravimetry
GB/T 19421.10-2003
Test methods of crystalline layered sodium disilicate—Potassium fluosilicate volumetric methods for determination of silica dioxide content
GB/T 19421.8-2003
Test methods of crystalline layered sodium disilicate—Phenanthroline photometric methods for determination of iron oxide content
HB/Z 5109.1-2001
GB/T 9984.2-2004
Sodium tripolyphosphate for industrial use-Determination of total phosphorus(v)oxide content-Quinoline phosphomolybdate gravimetric method
GB/T 19421.11-2003
Test methods of crystalline layered sodium disilicate—Atomic absorption spectrophotometric methods for determination of calcium oxide content
GB/T 19421.12-2003
Test methods of crystalline layered sodium disilicate—Atomic absorption spectrophotometric methods for determination of magnesium oxide content
GB/T 9984.2-1988
Sodium tripolyphosphats for industrial use--Determination of total phosphorus pentoxide content--Quinoline phosphomolybdate gravimetric method
KS M ISO 1690-2017(2022)
Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
KS M ISO 1690-2017
Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
GB/T 9984.10-2004
Sodium tripolyphosphate for industrial use (including foodstuffs)—Determination of oxides of nitrogen content-3,4-Xylenol spectrophotometric method
GB/T 9984.10-1988
Sodium tripolyphosphate for industrial use (including foodstuffs)--Determination of oxides of nitrogen content--3,4-Xylenol spectrophotometric method
KS M ISO 5934-2006
Crude sodium borates for industrial use-Determination of alkali-soluble copper and manganese contents-Zinc bis(dibenzyldithiocarbamate) and formaldehyde oxime photometric methods
UNE 34210:1981
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
ISO 1690:1976
Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization